I come from a long line of mid-range earphones including the Sennhiser CX300II, Klipsch Image S4, Monster Beats by dr dre Tour, and Monster Jamz. I was looking for an earphone that I can continue producing electronic music on and concluded, by the reviews, that the Yamahas were my best bet. They were not that expensive here in S. Korea, being approximately 124 dollars. I craved prominent bass (not basshead-ish nor Balanced Armanture like; just clear bass), good instrument separation, and good build quality. First Impressions: When I...